/* 工具类样式 */
.bg-primary {
    background-color: #007bff;
}

.bg-secondary {
    background-color: #6c757d;
}

.bg-success {
    background-color: #28a745;
}

.bg-danger {
    background-color: #dc3545;
}

.bg-warning {
    background-color: #ffc107;
}

.bg-info {
    background-color: #17a2b8;
}

.bg-light {
    background-color: #f8f9fa;
}

.bg-dark {
    background-color: #343a40;
}

.bg-white {
    background-color: white;
}

.bg-transparent {
    background-color: transparent;
}

.border {
    border: 1px solid #dee2e6;
}

.border-primary {
    border-color: #007bff;
}

.border-secondary {
    border-color: #6c757d;
}

.border-success {
    border-color: #28a745;
}

.border-danger {
    border-color: #dc3545;
}

.border-warning {
    border-color: #ffc107;
}

.border-info {
    border-color: #17a2b8;
}

.border-light {
    border-color: #f8f9fa;
}

.border-dark {
    border-color: #343a40;
}

.border-white {
    border-color: white;
}
